ISKANDAR, Sony; AZMI, Nora; MAULIDYA, Rahmi. Quality circle implementation to reduce defects in cast steel products in the heavy equipment industry. Operations Excellence: Journal of Applied Industrial Engineering, Jakarta, Indonesia, v. 15, n. 3, p. 285–292, 2024. DOI: 10.22441/oe.2023.v15.i3.094. Disponível em: https://publikasi.mercubuana.ac.id/index.php/oe/article/view/21037. Acesso em: 29 jun. 2026.